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发明名称
Automatic ink-ribbon reversal mechanism for typewriters and printing business machines
摘要
申请公布号
US2654461(A)
申请公布日期
1953.10.06
申请号
US19500172406
申请日期
1950.07.07
申请人
ILARIO BOVIO
发明人
BOVIO ILARIO
分类号
B41J33/518
主分类号
B41J33/518
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